The name, "04.02.04.07", is just an old version of the firmware. Since then, Rigol has just been updating the contents of the zip file without changing the zip filename. If you haven't already, just extract the "04.03.01.05" version and install it. Here are the release notes with the changes.

This latest version 04.03.01.05 identifies itself as "00.04.03.SP1" in Utility>System>System Info.

However, you will get more information about the software/firmware your scope is running, if you print a "Param" .txt file from the Storage menu. What we are calling "firmware" here is what Rigol calls "SoftWare" in the Param listing... and what Rigol calls "Firmware" refers to some other bit of the scope's operating system.

For example, here is the first section of a Param listing from my scope (serial number redacted):